7834214144 has 36 divisors (see below), whose sum is σ = 15643480104. Its totient is φ = 3915691008.

The previous prime is 7834214081. The next prime is 7834214149. The reversal of 7834214144 is 4414124387.

It is a happy number.

It is a super-2 number, since 2×7834214144² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7834214098 and 7834214107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7834214149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407014 + ... + 1412570.

It is an arithmetic number, because the mean of its divisors is an integer number (434541114).

Almost surely, 2^7834214144 is an apocalyptic number.

It is an amenable number.

7834214144 is a deficient number, since it is larger than the sum of its proper divisors (7809265960).

7834214144 is an equidigital number, since it uses as much as digits as its factorization.

7834214144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080 (or 11066 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 7834214144 is about 88511.0961631365. The cubic root of 7834214144 is about 1986.0879640108.

The spelling of 7834214144 in words is "seven billion, eight hundred thirty-four million, two hundred fourteen thousand, one hundred forty-four".